Year Percent 2000 90.79247 2001 91.11783 2002 91.43565 2003 91.80779 2004 92.19216 2005 92.5605 2006 92.9137 2007 93.25169 2008 93.57483 2009 93.88254 2010 94.17607 2011 94.44443 2012 94.69331 2013 94.931 2014 95.15801 2015 95.37475 2016 95.58145 2017 95.77819 2018 95.9642 2019 96.14011 2020 96.30658 2021 96.70461 2022 96.75452